S-3-17 over Lower Three Runs
FairAllendale County, South Carolina · 14MI NW Allendale · Structure no. 000000000000317
- Built
- 1929
- 96 years old
- Condition
- Fair
- inspected May 2023
- Type
- Culvert
- Concrete
- Length
- 32 ft
- 3 main spans
- Daily traffic
- 175
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
S-3-17 over Lower Three Runs is a concrete culvert carrying S-3-17 over Lower Three Runs in Allendale County, South Carolina. It was built in 1929, so it is 96 years old, older than the South Carolina average of 48 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 175 vehicles a day, roughly 5% of them trucks, projected to reach 224 by 2043. The structure is 32 ft (9.8 m) long and 45 ft wide. If it were closed, the detour would be 3.1 mi (5 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
| Culvert | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was S-3-17 over Lower Three Runs built?
It was built in 1929, making it 96 years old in 2025.
What condition is S-3-17 over Lower Three Runs in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in May 2023.
How much traffic does S-3-17 over Lower Three Runs carry?
About 175 vehicles per day (2023 count), of which roughly 5% are trucks.
How long is S-3-17 over Lower Three Runs?
The structure is 32 ft (9.8 m) long with a longest span of 10 ft (3 m) and a deck 45 ft wide.
Who owns S-3-17 over Lower Three Runs?
It is owned by the State Highway Agency.